Response of a Deciduous Forest to the Mount Pinatubo Eruption: Enhanced Photosynthesis
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- 28 March 2003
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 299 (5615) , 2035-2038
- https://doi.org/10.1126/science.1078366
Abstract
Volcanic aerosols from the 1991 Mount Pinatubo eruption greatly increased diffuse radiation worldwide for the following 2 years. We estimated that this increase in diffuse radiation alone enhanced noontime photosynthesis of a deciduous forest by 23% in 1992 and 8% in 1993 under cloudless conditions. This finding indicates that the aerosol-induced increase in diffuse radiation by the volcano enhanced the terrestrial carbon sink and contributed to the temporary decline in the growth rate of atmospheric carbon dioxide after the eruption.Keywords
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